Mask



FIG. 1 is a perspective view of the mask showing my new design in use;

FIG. 2 is an enlarged front view thereof;

FIG. 3 is an enlarged first side view thereof;

FIG. 4 is an enlarged opposite side view thereof;

FIG. 5 is an enlarged top plan view thereof;

FIG. 6 is an enlarged bottom plan view thereof; and,

FIG. 7 is an enlarged rear view thereof.

The broken lines on the mask as shown in FIG. 7 are understood to represent stitching.

The broken line showing of a human face and wrap is for illustrative purposes only and forms no part of the claimed design. 

I claim the ornamental design for a mask, as shown and described. 